<template>
	<view class="login-container">
		<uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
		 <!-- 登录按钮 -->
		<button type="primary" class="btn-login" open-type="getUserInfo" @getuserinfo="getUserInfo">一键登录</button>
		<!-- 登录提示 -->
		<view class="tips-text">登录后尽享更多权益</view>
	</view>
</template>

<script>
	import { mapMutations } from 'vuex'
	export default {
		name:"my-login",
		data() {
			return {
				
			};
		},
		methods: {
			...mapMutations('m_user',['updateUserInfo']),
			//获取微信用户基本信息
			getUserInfo (e) {
				 // 判断是否获取用户信息成功
				 if (e.detail.errMsg === 'getUserInfo:fail auth deny') return uni.$showMsg('您取消了登录授权！')
				 // 获取用户信息成功， e.detail.userInfo 就是用户的基本信息
				 // console.log(e.detail)
				 this.updateUserInfo(e.detail.userInfo)
				// 获取登录成功后的 Token 字符串
				this.getToken(e.detail)
			},
			//获取token
			async getToken (info) {
				// 调用微信登录接口
				const [err,res] = await uni.login().catch(err => err)
				if (err || res.errMsg !== "login:ok") return uni.$showMsg('登陆失败！')
				// 准备参数对象
				console.log(res)
				let query = {
					code: res.code,
					encryptedData: info.encryptedData,
					iv: info.iv,
					rawData: info.rawData,
					signature: info.signature,
				}
				// 换取token
				const { data: loginResult } = await uni.$http.post('/api/public/v1/users/wxlogin',query)
				if (loginResult.meta.status !== 200)  return uni.$showMsg('登录失败')
				uni.$showMsg('登录成功')
			}
		}
	}
</script>

<style lang="scss">
.login-container {
	// 登录盒子的样式
	  height: 750rpx;
	  display: flex;
	  flex-direction: column;
	  align-items: center;
	  justify-content: center;
	  background-color: #f8f8f8;
	  position: relative;
	  overflow: hidden;
	  &::after {
		  display: block;
		  content: '';
		  position: absolute;
		  width: 100%;
		  height: 40px;
		  left: 0;
		  bottom: 0;
		  background-color: white;
		  border-radius: 100%;
		  transform: translateY(50%);
	  }
	  // 登录按钮的样式
	    .btn-login {
	      width: 90%;
	      border-radius: 100px;
	      margin: 15px 0;
	      background-color: #c00000;
	    }
		.tips-text {
		  font-size: 12px;
		  color: gray;
		}
}
</style>
